This Java program is a command-line calculator that performs basic arithmetic operations, computes Fibonacci sequences, and performs statistical calculations on arrays.
Arithmetic Operations: Addition, Subtraction, Multiplication, and Division
Fibonacci Sequence Calculation
Array Operations:
Sum of elements
Mean (Average)
Variance
Standard Deviation
Files
Main.java - Entry point of the program.
UserInput.java - Handles user input and selection of operations.
Calculator.java - Implements calculation logic.